| Модификация | Года выпуска | Средняя цена |
|---|---|---|
| Opel Signum 3.0 V6 CDTI | 2005 - 2007 | 5 224 $ |
| Opel Signum 2.0 i 16V Turbo ECOTEC | 2003 - 2008 | 5 018 $ |
| Opel Signum 1.8 i 16V ECOTEC | 2003 - 2008 | 5 018 $ |
| Opel Signum 1.9 CDTI | 2003 - 2008 | 5 018 $ |
| Opel Signum 2.8 i | 2006 - 2008 | 5 661 $ |
| Opel Signum 2.0 DTI ECOTEC | 2003 - 2004 | 4 218 $ |
| Opel Signum 2.2 i 16V ECOTEC | 2003 - 2008 | 5 018 $ |
| Opel Signum 3.0 V6 CTDi | 2005 - 2008 | 5 394 $ |
| Opel Signum 3.2 i V6 24V ECOTEC | 2003 - 2005 | 4 455 $ |
| Opel Signum 2.2 DTI ECOTEC | 2003 - 2004 | 4 218 $ |
| Opel Signum 1.8 i (140 HP) | 2003 - 2008 | 5 018 $ |
